3645228165843 has 16 divisors (see below), whose sum is σ = 5318876100096. Its totient is φ = 2202260007840.

The previous prime is 3645228165827. The next prime is 3645228165863. The reversal of 3645228165843 is 3485618225463.

3645228165843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3645228165843 - 2⁴ = 3645228165827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3645228165823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174218971 + ... + 174239892.

It is an arithmetic number, because the mean of its divisors is an integer number (332429756256).

Almost surely, 2^{3645228165843} is an apocalyptic number.

3645228165843 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3645228165843 is a deficient number, since it is larger than the sum of its proper divisors (1673647934253).

3645228165843 is a wasteful number, since it uses less digits than its factorization.

3645228165843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348459194.

The product of its digits is 33177600, while the sum is 57.

The spelling of 3645228165843 in words is "three trillion, six hundred forty-five billion, two hundred twenty-eight million, one hundred sixty-five thousand, eight hundred forty-three".